/*
 * This file is part of the Try! Engine project.
 *
 * Copyright 2010-2011 Emanuele Bertoldi. All rights reserved.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the modified BSD License along with this
 * program. If not, see <http://www.opensource.org/licenses/bsd-license.php>
 */

#include "parallel.h"
#include <boost/thread.hpp>

using namespace Try;

Parallel::Parallel(BehaviorTree* parent, const BehaviorNodeList& nodes)
    :   BehaviorTree(parent, nodes)
{
}

Parallel::~Parallel()
{
}

void Parallel::onMessage(const Message& msg, Object* sender, Property* property)
{
    this->setStatus(BehaviorNode::Running);

    int count = m_children.size();

    boost::thread_group threads;

    for (int i = 0; i < count; i++)
        threads.add_thread(new boost::thread(&Parallel::forwardMessageToNode, this, i, msg, sender, property));

    threads.join_all();

    for (int i = 0; i < count; i++)
    {
        BehaviorNode* node = this->node(i);
        if (node && node->status() == BehaviorNode::Failure)
        {
            this->setStatus(BehaviorNode::Failure);
            return;
        }
    }

    this->setStatus(BehaviorNode::Success);
}
